title: Asking the unanswerable: stymied again by the impossibility of sensible controls.
authors.affiliation: Psychological Medicine, University of Otago, Wellington, New Zealand. sarah.romans@otago.ac.nz
authors.forename: Sarah
authors.initials: S
authors.lastname: Romans
mesh_terms: D000028:Abortion, Induced / Q000523:psychology*; D005260:Female; D006801:Humans; D001523:Mental Disorders / Q000523:psychology*; D011247:Pregnancy; D011275:Pregnancy, Unwanted / Q000523:psychology*